Summary of Contents for Most 3,000PSI
- Page 1 Operation and Maintenance Manual for MOST 3,000PSI and 5,000PSI Dual Pack Stuffing Box (DPSB) Revision 1 – May 2020...
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Page 2: Table Of Contents
Table of Contents Figures Index ......................... 3 About This Manual ........................ 4 Notes, Cautions, and Warnings .......................4 Illustrations and Photographs ....................4 Safety Guidelines ........................5 Description ..........................6 Dual Pack Stuffing Box (DPSB) – Threaded Base ................7 Dual Pack Stuffing Box (DPSB) – Flanged Base .................8 Dual Pack Stuffing Box (DPSB) with Pivoting Base ................9 Installation .......................... -
Page 3: Figures Index
Figures Index Figure 1:Dual Pack Stuffing Box (DPSB) – Threaded Base .............. 7 Figure 2:Dual Pack Stuffing Box (DPSB) – Flanged Base ..............8 Figure 3: Dual Pack Stuffing Box (DPSB) with Pivoting Base ............9... -
Page 4: About This Manual
About This Manual Notes, Cautions, and Warnings Notes, cautions and warnings are used throughout this manual to provide readers with additional information and to advise the reader to take specific action to protect personnel from potential injury or lethal conditions. They are also used to inform the reader of actions necessary to prevent equipment damage. -
Page 5: Safety Guidelines
PPE. Failure to do so could result in severe injury or death. • Equipment should be used for its intended purpose only. MOST Stuffing Boxes are designed to perform specific functions and should only be used for those applications. -
Page 6: Description
MOST has almost 2 decades of experience in manufacturing wellhead equipment for oilfield service. MOST is certified with ISO and API under ISO 9001-2015, API Q1, and API6A Wellhead and Christmas Tree Equipment. This ensures that MOST stuffing boxes are of the highest quality and are fully compatible with API equipment. -
Page 7: Dual Pack Stuffing Box (Dpsb) - Threaded Base
Dual Pack Stuffing Box (DPSB) – Threaded Base Figure 1:Dual Pack Stuffing Box (DPSB) – Threaded Base 1. Cap 2. Mid Section 3. Brass Block 4. Lantern Ring Parts may vary depending on stuffing box 5. O-Ring model. Please refer to specific sales 6. -
Page 8: Dual Pack Stuffing Box (Dpsb) - Flanged Base
Dual Pack Stuffing Box (DPSB) – Flanged Base Figure 2:Dual Pack Stuffing Box (DPSB) – Flanged Base 1. Cap 2. Mid Section 3. Packing 4. Brass Block Parts may vary depending on stuffing box 5. Lantern Ring model. Please refer to specific sales 6. -
Page 9: Dual Pack Stuffing Box (Dpsb) With Pivoting Base
Dual Pack Stuffing Box (DPSB) with Pivoting Base Figure 3: Dual Pack Stuffing Box (DPSB) with Pivoting Base 1. Cap 2. Brass Block 3. Packing 4. Lantern Ring 5. Mid Section Parts may vary depending on stuffing box model 6. Base Section Please refer to specific sales drawings and 7. -
Page 10: Installation
Always follow local and company safety requirements when working around an oil well. Pre-Installation Inspection: MOST stuffing boxes are manufactured according to the requirements of API 6A and are fully tested before leaving the factory. 1. Prior to installation, it should be confirmed that all required installation materials are on hand. -
Page 11: Installation - Threaded Bottom
Installation – Threaded Bottom: Follow appropriate safety procedures for lifting, moving, and working around the stuffing box and related equipment. 1. Ensure that the stuffing box is installed right side up. 2. Confirm that all threaded box and pin connections are clean before threading in the stuffing box. -
Page 12: Preventative Maintenance
Preventative Maintenance MOST offers a low maintenance stuffing boxes that provide customers with years of service. Inspection of an operating stuffing box: 1. During operation, the stuffing box must be visually inspected for leaks and seepage. 2. If a leakage is noticed, then the source must be identified. -
Page 13: Ring Gaskets
Use only genuine spares and replacement parts. Five Year Maintenance A five year maintenance should be performed on all MOST stuffing boxes at a MOST or an authorized repair facility. 1. The stuffing box is fully disassembled, cleaned and inspected. -
Page 14: Servicing
Servicing • Follow all applicable field safety requirements while installing, uninstalling or servicing a MOST stuffing box. • Do not remove or service a stuffing box on a pressurized or operating well. • The refacing of flange surfaces should only be done in a controlled environment using precision equipment. -
Page 15: Complete Overhaul
Complete Overhaul: Some components can only be serviced with the stuffing box removed from the wellhead. Top Section: 1. Disassemble the top section and replace packing as per field service instructions. 2. Inspect the seal block for wear and replace if necessary. 3.
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